HOTEL LA CITADELLE. . The hotel is particularly easy to reach, ideally positioned in the city center, close to the pedestrian zone and adjoining the Arsenal concert hall and the Parc de l'Esplanade. Located 3 minutes from Metz train station, 15.5 miles (25 km) from Metz-Nancy Lorraine airport. By car from the A31 highway, Metz centre exit is 3 minutes away.